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OpenJS Foundation

Hosts projects that support the JavaScript ecosystem, fostering collaboration and innovation in web technologies.

42 projects

140,243 contributors

$3.5B

Most contributors

Node.js

Node.js® is a JavaScript runtime built on Chrome's V8 JavaScript engine.

Contributors

54,327

Organizations

9,397

Software value

$3.3B

Webpack

Webpack is a static module bundler for modern JavaScript applications. It processes web applications by recursively building a dependency graph that includes every module an application needs, then packages all those modules into one or more bundles that can be served to the web browser.

Contributors

17,045

Organizations

4,456

Software value

$9.1M

Jest

Jest is a comprehensive JavaScript testing framework focused on simplicity and developer experience. It provides a complete testing solution with built-in assertion libraries, mocking capabilities, snapshot testing, and code coverage reporting. The framework is designed to work with most JavaScript projects, including React applications, with minimal configuration required.

Contributors

15,202

Organizations

4,241

Software value

$5.7M

Express

Express is a minimal and flexible Node.js web application framework that provides a robust set of features for web and mobile applications.

Contributors

13,876

Organizations

2,849

Software value

$3.9M

Fastify

Fastify is a web framework highly focused on providing the best developer experience with the least overhead and a powerful plugin architecture.

Contributors

7,436

Organizations

1,683

Software value

$11M

jQuery

jQuery is a fast, small, and feature-rich JavaScript library. It makes things like HTML document traversal and manipulation, event handling, animation, and Ajax much simpler with an easy-to-use API that works across a multitude of browsers.

Contributors

6,864

Organizations

1,044

Software value

$185M

Lodash

A modern JavaScript utility library delivering modularity, performance, and extras through consistent, well-documented functions for common programming tasks like data manipulation, function composition, and type checking

Contributors

5,105

Organizations

1,493

Software value

$3.7M

Moment

A lightweight JavaScript date library for parsing, validating, manipulating, and formatting dates.

Contributors

4,590

Organizations

Electron

Electron is a framework for building desktop applications using JavaScript, HTML, and CSS. By embedding Chromium and Node.js into its binary, Electron allows you to maintain one JavaScript codebase and create cross-platform apps that work on Windows, macOS, and Linux — no native development experience required.

Contributors

3,631

Organizations

Intern

Intern is a complete test stack for javascript or typescript

Contributors

1,866

Organizations

Architect

Architect provides everything you need to build fast, modern, massively scalable cloud apps with low code, clear and terse config, and zero ceremony.

Contributors

1,763

Organizations

pillarjs

pillarjs is a subproject of Express

Contributors

1,380

Organizations

464

Software value

$735K

jshttp

jshttp is a subproject of Express

Contributors

1,350

Organizations

443

Software value

$1.6M

NativeScript

NativeScript empowers you to access native api's from JavaScript directly.

Contributors

808

Organizations

Dojo

Dojo is a typescript framework for building modern web apps with a focus on developer ergonomics

Contributors

755

Organizations

ESLint

ESlint provides a pluggable linting utility for javascript

Contributors

706

Organizations

Grunt

Grunt is a javascript command line utility designed to help automate repetitive project tasks like minification, compilation, unit testing, linting and deployment.

Contributors

703

Organizations

JSON Schema

JSON Schema is a vocabulary that allows you to annotate and validate JSON documents.

Contributors

571

Organizations

Node-RED

Node-RED is a programming tool for wiring together hardware devices, APIs and online services in new and interesting ways.

Contributors

432

Organizations

Loopback

LoopBack is a popular Node.js framework for API creation and a platform to build large-scale Node.js applications using proven patterns with TypeScript and with support for SOAP and enterprise databases.

Contributors

397

Organizations

Marko

A declarative, HTML-based language that makes building web apps fun

Contributors

281

Organizations

WebdriverIO

Next-gen browser automation test framework for Node.js

Contributors

169

Organizations

JerryScript

A JavaScript engine for Internet of Things

Contributors

119

Organizations

Esprima

Esprima is a high performance, standard-compliant ECMAScript parser written in ECMAScript (also popularly known as JavaScript).

Contributors

105

Organizations

OpenJS Foundation

The OpenJS Foundation is made up of 40 open source JavaScript projects including Appium, Dojo, jQuery, Node.js, and webpack. Our mission is to support the healthy growth of JavaScript and web technologies by providing a neutral organization to host and sustain projects, as well as collaboratively fund activities that benefit the ecosystem as a whole.

Contributors

Organizations

messageformat

Using messageformat, you can separate your code from your text formatting, while enabling much more humane expressions.

Contributors

Organizations

HospitalRun

Hospitalrun is an offline first EHR/HIS application

Contributors

Organizations

Mocha

Mocha is a feature-rich JavaScript test framework running on Node.js and in the browser, making asynchronous testing simple and fun.

Contributors

Organizations

Kepler.GL

Kepler.gl is a data-agnostic, high-performance web-based application for visual exploration of large-scale geolocation data sets. Built on top of Mapbox GL and deck.gl, kepler.gl can render millions of points representing thousands of trips and perform spatial aggregations on the fly.

Contributors

Organizations

cosmos.gl

Cosmos.gl is a high-performance WebGL graph visualization engine to help you deal with massive datasets right in the browser.

Contributors

Organizations

Software value

$242K

React-Map-gl

react-map-gl is a suite of React components designed to provide a React API for Mapbox GL JS-compatible libraries.

Contributors

Organizations

Appium

Appium is an open source test automation framework for use with native, hybrid and mobile web apps.

Contributors

Organizations

Globalize

JavaScript library for internationalization and localization that leverages the official Unicode CLDR JSON data

Contributors

Organizations

Deck.gl

deck.gl is a WebGL-powered framework for visual exploratory data analysis of large datasets.

Contributors

Organizations

Urban Computing Foundation (UCF)

The Urban Computing Foundation is a neutral forum for accelerating open source and community development that improves mobility, safety, road infrastructure, traffic congestion and energy consumption in connected cities.

Contributors

Organizations

QUnit

QUnit is a powerful, easy-to-use JavaScript unit testing framework.

Contributors

Organizations

webhint

webhint is a customizable linting tool that helps you improve your site's accessibility, speed, cross-browser compatibility, and more by checking your code for best practices and common errors.

Contributors

Organizations